Rubber Accelerator MBTS

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Rubber Accelerator MBTS (Mercaptobenzothiazole Disulfide) is a crucial chemical used in the vulcanization process of rubber. It accelerates the cross-linking of rubber molecules, enhancing the elasticity, strength, and durability of the final rubber products. MBTS is favored for its effective acceleration properties and is widely used in the production of tires, footwear, hoses, and various rubber goods.

Description

Table of Contents

Rubber Accelerator MBTS

Primary Uses

Rubber Industry

Acts as a secondary accelerator in the vulcanization process of natural and synthetic rubber.
Enhances the speed and efficiency of sulfur cross-linking to improve mechanical properties of rubber.
Used in manufacturing automotive tires, industrial rubber goods, conveyor belts, and footwear soles.

Adhesives and Sealants

Incorporated in rubber-based adhesives and sealants to improve curing time and bond strength.

Secondary Uses

Plastic and Polymer Modification

Used in some specialty polymer formulations requiring vulcanization or cross-linking enhancements.

Coatings and Inks

Occasionally employed in rubber-based coatings and printing inks for improved durability and elasticity.

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name (IUPAC): 2,2'-Dithiobis(benzothiazole)
Common/Trade Name: Rubber Accelerator MBTS
CAS Number: 120-78-5
HS Code: 2924.29
Synonyms: Mercaptobenzothiazole disulfide, MBTS, MBS

2. Physical & Chemical Properties

Physical State: Pale yellow to off-white powder or granules
Color & Odor: Light yellow; faint sulfur-like odor
Solubility: Slightly soluble in water; soluble in organic solvents such as benzene and toluene
Melting Point: 180–185°C (decomposes)

3. Safety & Hazard Attributes

GHS Classification: Harmful if swallowed; skin sensitizer; may cause respiratory irritation
Toxicity: Moderate toxicity; avoid inhalation and skin contact
Exposure Limits: Follow occupational safety guidelines

4. Storage & Handling Attributes

Storage Conditions: Store in a cool, dry, well-ventilated area away from incompatible materials like strong oxidizers
Container Type: Sealed drums or bags, moisture-proof packaging recommended
Shelf Life: Typically 1–2 years under proper storage
Handling Precautions: Use personal protective equipment; avoid dust generation and inhalation

5. Regulatory & Compliance Attributes

Complies with chemical safety regulations applicable to rubber accelerators
Usage subject to environmental and occupational health standards

6. Environmental & Health Impact

Biodegradability: Low biodegradability
Ecotoxicity: Potentially toxic to aquatic life; avoid environmental release
Bioaccumulation: Not significant

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required: Gloves, goggles, dust mask or respirator, protective clothing
Handling Guidelines: Use in well-ventilated areas; prevent dust formation; avoid skin and eye contact
Storage Measures: Keep containers tightly closed and stored in a dry environment

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if breathing difficulty occurs
Skin Contact: Wash thoroughly with soap and water; get medical help if irritation develops
Eye Contact: Rinse eyes with plenty of water for 15 minutes; seek medical attention if irritation persists
Ingestion: Rinse mouth; do not induce vomiting; seek immediate medical help

Firefighting Measures

Fire Hazards: Combustible solid; may release hazardous fumes when burned
Extinguishing Media: Use dry chemical, foam, CO₂, or water spray
Special Precautions: Wear protective gear and self-contained breathing apparatus in confined spaces
Hazardous Combustion Products: Carbon oxides, nitrogen oxides, sulfur oxides